[INFO] cloning repository https://github.com/suttung3r/rustechoserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suttung3r/rustechoserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ca492e70e3d465812bf595b8ea3d864398b4c78 [INFO] checking suttung3r/rustechoserver against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuttung3r%2Frustechoserver" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/suttung3r/rustechoserver on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/suttung3r/rustechoserver [INFO] finished tweaking git repo https://github.com/suttung3r/rustechoserver [INFO] tweaked toml for git repo https://github.com/suttung3r/rustechoserver written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/suttung3r/rustechoserver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4b11934f989379f0788bc5b32fb1157fa42be27af6050467e96a91e66add1e1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d4b11934f989379f0788bc5b32fb1157fa42be27af6050467e96a91e66add1e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4b11934f989379f0788bc5b32fb1157fa42be27af6050467e96a91e66add1e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4b11934f989379f0788bc5b32fb1157fa42be27af6050467e96a91e66add1e1", kill_on_drop: false }` [INFO] [stdout] d4b11934f989379f0788bc5b32fb1157fa42be27af6050467e96a91e66add1e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9493aa6b30fe50c7cf7ed4b376819dcb7c4e94b61be80649311e7579edc2637d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9493aa6b30fe50c7cf7ed4b376819dcb7c4e94b61be80649311e7579edc2637d", kill_on_drop: false }` [INFO] [stderr] Checking socket_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | Ok(res) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | Ok(res) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "9493aa6b30fe50c7cf7ed4b376819dcb7c4e94b61be80649311e7579edc2637d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9493aa6b30fe50c7cf7ed4b376819dcb7c4e94b61be80649311e7579edc2637d", kill_on_drop: false }` [INFO] [stdout] 9493aa6b30fe50c7cf7ed4b376819dcb7c4e94b61be80649311e7579edc2637d